
package org.linlinjava.litemall.admin.job;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.linlinjava.litemall.core.system.SystemConfig;
import org.linlinjava.litemall.db.domain.LitemallOrder;
import org.linlinjava.litemall.db.domain.LitemallOrderGoods;
import org.linlinjava.litemall.db.service.LitemallGoodsProductService;
import org.linlinjava.litemall.db.service.LitemallOrderGoodsService;
import org.linlinjava.litemall.db.service.LitemallOrderService;
import org.linlinjava.litemall.db.util.OrderUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;

/**
 * 检测订单状态
 */
@Component
public class OrderJob {

	private final Log logger = LogFactory.getLog(OrderJob.class);

	@Autowired
	private LitemallOrderGoodsService orderGoodsService;

	@Autowired
	private LitemallOrderService orderService;

	@Autowired
	private LitemallGoodsProductService productService;

	/**
	 * 自动取消订单
	 * <p>
	 * 定时检查订单未付款情况，如果超时 LITEMALL_ORDER_UNPAID 分钟则自动取消订单 定时时间是每次相隔半个小时。
	 * <p>
	 * 注意，因为是相隔半小时检查，因此导致订单真正超时时间是 [LITEMALL_ORDER_UNPAID, 30 + LITEMALL_ORDER_UNPAID]
	 */
	@Scheduled(fixedDelay=30*60*1000)
	@Transactional(rollbackFor=Exception.class)
	public void checkOrderUnpaid() {
		logger.info("系统开启任务检查订单是否已经超期自动取消订单");
		List<LitemallOrder> orderList = orderService.queryUnpaid(SystemConfig.getOrderUnpaid());
		for (LitemallOrder order : orderList) {
			// 设置订单已取消状态
			order.setOrderStatus(OrderUtil.STATUS_AUTO_CANCEL);
			order.setEndTime(LocalDateTime.now());
			if (orderService.updateWithOptimisticLocker(order) == 0) {
				throw new RuntimeException("更新数据已失效");
			}
			// 商品货品数量增加
			Integer orderId = order.getId();
			List<LitemallOrderGoods> orderGoodsList = orderGoodsService.queryByOid(orderId);
			for (LitemallOrderGoods orderGoods : orderGoodsList) {
				Integer productId = orderGoods.getProductId();
				Short number = orderGoods.getNumber();
				if (productService.addStock(productId, number) == 0) {
					throw new RuntimeException("商品货品库存增加失败");
				}
			}
			logger.info("订单 ID" + order.getId() + " 已经超期自动取消订单");
		}
	}

	/**
	 * 自动确认订单
	 * <p>
	 * 定时检查订单未确认情况，如果超时 LITEMALL_ORDER_UNCONFIRM 天则自动确认订单 定时时间是每天凌晨3点。
	 * <p>
	 * 注意，因为是相隔一天检查，因此导致订单真正超时时间是 [LITEMALL_ORDER_UNCONFIRM, 1 + LITEMALL_ORDER_UNCONFIRM]
	 */
	@Scheduled(cron="0 0 3 * * ?")
	public void checkOrderUnconfirm() {
		logger.info("系统开启任务检查订单是否已经超期自动确认收货");
		List<LitemallOrder> orderList = orderService.queryUnconfirm(SystemConfig.getOrderUnconfirm());
		for (LitemallOrder order : orderList) {
			// 设置订单为确认状态
			order.setOrderStatus(OrderUtil.STATUS_AUTO_CONFIRM);
			order.setConfirmTime(LocalDateTime.now());
			if (orderService.updateWithOptimisticLocker(order) == 0) {
				logger.info("订单 ID=" + order.getId() + " 数据已经更新，放弃自动确认收货");
			} else {
				logger.info("订单 ID=" + order.getId() + " 已经超期自动确认收货");
			}
		}
	}

	/**
	 * 可评价订单商品超期
	 * <p>
	 * 定时检查订单商品评价情况，如果确认商品超时 LITEMALL_ORDER_COMMENT 天则取消可评价状态 定时时间是每天凌晨4点。
	 * <p>
	 * 注意，因为是相隔一天检查，因此导致订单真正超时时间是 [LITEMALL_ORDER_COMMENT, 1 + LITEMALL_ORDER_COMMENT]
	 */
	@Scheduled(cron="0 0 4 * * ?")
	public void checkOrderComment() {
		logger.info("系统开启任务检查订单是否已经超期未评价");
		List<LitemallOrder> orderList = orderService.queryComment(SystemConfig.getOrderComment());
		for (LitemallOrder order : orderList) {
			order.setComments((short) 0);
			orderService.updateWithOptimisticLocker(order);
			List<LitemallOrderGoods> orderGoodsList = orderGoodsService.queryByOid(order.getId());
			for (LitemallOrderGoods orderGoods : orderGoodsList) {
				orderGoods.setComment(-1);
				orderGoodsService.updateById(orderGoods);
			}
		}
	}
}